Table 3 Criteria list for determining the level of evidence for best evidence synthesis, adapted from Lievense et al (2001)[13]
From: Are depression, anxiety and poor mental health risk factors for knee pain? A systematic review
Level of evidence | Criteria for inclusion in best evidence synthesis |
|---|---|
Strong evidence | generally consistent findings in: |
o multiple high quality cohort studies | |
Moderate evidence | generally consistent findings in: |
o 1 high quality cohort study & > 2 high quality case-control studies | |
o > 3 high quality case-control studies | |
Limited evidence | generally consistent findings in: |
o single cohort study | |
o 1 or 2 case-control studies or | |
o multiple cross-sectional studies | |
Conflicting evidence | inconsistent findings in <75% of the trials |
No evidence | No studies could be found |